January 2019
Intermediate to advanced
490 pages
15h 37m
English
Content preview from Serverless Programming Cookbook
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Data model limits
The following are some of the important limits in the DynamoDB data model:
- There is an initial limit of 256 tables per region for an AWS account, but this can be changed by contacting AWS support.
- Names for tables and secondary indexes must be at least three characters long, but no more than 255 characters. Allowed characters are A-Z, a-z, 0-9, _ (underscore), - (hyphen), and . (dot).
- An attribute name must be at least one character long, but no greater than 64 KB long. Attribute names must be encoded using UTF-8, and the total size of each encoded name cannot exceed 255 bytes.
- The size of an item, including all the attribute names and attribute values, cannot exceed 400 KB.
- You can only create a maximum of five local secondary ...
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